linux-kernel - do not initialise globals to 0 or NULL\n

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Message-ID: <jpg4mmwqcdv.fsf@aqua.home.waltham>
Date:	Thu, 28 May 2015 23:41:00 -0400
From:	Bandan Das <bsd@...efile.in>
To:	joe@...ches.com
Cc:	linux-kernel@...r.kernel.org
Subject: do not initialise globals to 0 or NULL\n

Hi Joe,

Sorry, I am very Perl illiterate but I was deliberately trying to hit the
"do not initialize globals" message from checkpatch.pl and can't seem to.

Looking at the corresponding regexp, it seems the correct pattern should be:

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 89b1df4..d076d39 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3169,7 +3169,7 @@ sub process {
                }
 
 # check for global initialisers.
-               if ($line =~ /^\+(\s*$Type\s*$Ident\s*(?:\s+$Modifier))*\s*=\s*(0|NULL|false)\s*;/) {
+               if ($line =~ /^\+(\s*$Type\s*$Ident\s*(?:\s+$Modifier)*)\s*=\s*(0|NULL|false)\s*;/) {
                        if (ERROR("GLOBAL_INITIALISERS",
                                  "do not initialise globals to 0 or NULL\n" .
                                      $herecurr) &&

which matches zero or more of $Modifier followed by zero or more of a space.
Or am I missing something ?

Thanks,
Bandan
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